Keyphrases
- directed graph
- transitive closure
- xml documents
- random walk
- directed acyclic graph
- xml data
- xpath queries
- query evaluation
- query language
- data model and query language
- maximum flow
- xml queries
- graph structure
- xml processing
- regular expressions
- first order logic
- xpath expressions
- xml streams
- disjoint paths
- computational complexity
- graphical models
- path expressions
- web mining
- strongly connected